Diff of the two buildlogs:

--
--- b1/build.log	2025-03-18 14:31:06.728520256 +0000
+++ b2/build.log	2025-03-18 14:32:17.921333023 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Apr 20 08:53:25 -12 2026
-I: pbuilder-time-stamp: 1776718405
+I: Current time: Wed Mar 19 04:31:09 +14 2025
+I: pbuilder-time-stamp: 1742308269
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -23,54 +23,86 @@
 dpkg-source: info: unpacking aiohttp-sse_2.2.0-2.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/99526/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2056/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos12-i386.
+I: Changing host+domainname to test build reproducibility
+I: Adding a custom variable just for the fun of it...
+I: Changing /bin/sh to bash
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 Mar 18 14:31 /bin/sh -> /bin/bash
+I: Setting pbuilder2's login shell to /bin/bash
+I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other
+I: user script /srv/workspace/pbuilder/2056/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2056/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build/reproducible-path'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='i386'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=22 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='i386'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="2" [2]="37" [3]="1" [4]="release" [5]="i686-pc-linux-gnu")
+  BASH_VERSION='5.2.37(1)-release'
+  BUILDDIR=/build/reproducible-path
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=i386
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=10 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='3b69fbdec5e6433aac5d7a8b1d72d7cc'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  LD_LIBRARY_PATH='/usr/lib/libeatmydata'
-  LD_PRELOAD='libeatmydata.so'
-  MAIL='/var/mail/root'
-  OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
-  PBCURRENTCOMMANDLINEOPERATION='build'
-  PBUILDER_OPERATION='build'
-  PBUILDER_PKGDATADIR='/usr/share/pbuilder'
-  PBUILDER_PKGLIBDIR='/usr/lib/pbuilder'
-  PBUILDER_SYSCONFDIR='/etc'
-  PPID='99526'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=5eda81b5a24c490abe4da3b72013b38a
+  LANG=C
+  LANGUAGE=de_CH:de
+  LC_ALL=C
+  LD_LIBRARY_PATH=/usr/lib/libeatmydata
+  LD_PRELOAD=libeatmydata.so
+  MACHTYPE=i686-pc-linux-gnu
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnu
+  PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path
+  PBCURRENTCOMMANDLINEOPERATION=build
+  PBUILDER_OPERATION=build
+  PBUILDER_PKGDATADIR=/usr/share/pbuilder
+  PBUILDER_PKGLIBDIR=/usr/lib/pbuilder
+  PBUILDER_SYSCONFDIR=/etc
+  PIPESTATUS=([0]="0")
+  POSIXLY_CORRECT=y
+  PPID=2056
   PS4='+ '
-  PWD='/'
-  SHELL='/bin/bash'
-  SHLVL='2'
-  SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.MORIHPot/pbuilderrc_3teG --distribution trixie --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.MORIHPot/b1 --logfile b1/build.log aiohttp-sse_2.2.0-2.dsc'
-  SUDO_GID='112'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://213.165.73.152:3128'
+  PWD=/
+  SHELL=/bin/bash
+  SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix
+  SHLVL=3
+  SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.MORIHPot/pbuilderrc_ooHF --distribution trixie --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.MORIHPot/b2 --logfile b2/build.log aiohttp-sse_2.2.0-2.dsc'
+  SUDO_GID=112
+  SUDO_UID=107
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://46.16.76.132:3128
 I: uname -a
-  Linux ionos16-i386 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/99526/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2056/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -211,7 +243,7 @@
 Get: 85 http://deb.debian.org/debian trixie/main i386 python3-pytest-asyncio all 0.25.1-1 [16.7 kB]
 Get: 86 http://deb.debian.org/debian trixie/main i386 python3-pytest-aiohttp all 1.0.5-1 [5676 B]
 Get: 87 http://deb.debian.org/debian trixie/main i386 python3-pytest-cov all 5.0.0-1 [26.8 kB]
-Fetched 30.7 MB in 0s (61.7 MB/s)
+Fetched 30.7 MB in 1s (54.5 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal:i386.
 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 19771 files and directories currently installed.)
@@ -501,8 +533,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Mon Apr 20 20:53:45 UTC 2026.
-Universal Time is now:  Mon Apr 20 20:53:45 UTC 2026.
+Local time is now:      Tue Mar 18 14:31:41 UTC 2025.
+Universal Time is now:  Tue Mar 18 14:31:41 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -586,7 +618,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/aiohttp-sse-2.2.0/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S  > ../aiohttp-sse_2.2.0-2_source.changes
+I: user script /srv/workspace/pbuilder/2056/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/2056/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/aiohttp-sse-2.2.0/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S  > ../aiohttp-sse_2.2.0-2_source.changes
 dpkg-buildpackage: info: source package aiohttp-sse
 dpkg-buildpackage: info: source version 2.2.0-2
 dpkg-buildpackage: info: source distribution unstable
@@ -635,13 +671,13 @@
 creating build/bdist.linux-i686/wheel
 creating build/bdist.linux-i686/wheel/aiohttp_sse
 copying build/lib/aiohttp_sse/helpers.py -> build/bdist.linux-i686/wheel/./aiohttp_sse
-copying build/lib/aiohttp_sse/py.typed -> build/bdist.linux-i686/wheel/./aiohttp_sse
 copying build/lib/aiohttp_sse/__init__.py -> build/bdist.linux-i686/wheel/./aiohttp_sse
+copying build/lib/aiohttp_sse/py.typed -> build/bdist.linux-i686/wheel/./aiohttp_sse
 running install_egg_info
 Copying aiohttp_sse.egg-info to build/bdist.linux-i686/wheel/./aiohttp_sse-2.2.0.egg-info
 running install_scripts
 creating build/bdist.linux-i686/wheel/aiohttp_sse-2.2.0.dist-info/WHEEL
-creating '/build/reproducible-path/aiohttp-sse-2.2.0/.pybuild/cpython3_3.13/.tmp-s6j8pohd/aiohttp_sse-2.2.0-py3-none-any.whl' and adding 'build/bdist.linux-i686/wheel' to it
+creating '/build/reproducible-path/aiohttp-sse-2.2.0/.pybuild/cpython3_3.13/.tmp-dv_f95br/aiohttp_sse-2.2.0-py3-none-any.whl' and adding 'build/bdist.linux-i686/wheel' to it
 adding 'aiohttp_sse/__init__.py'
 adding 'aiohttp_sse/helpers.py'
 adding 'aiohttp_sse/py.typed'
@@ -665,7 +701,7 @@
 rootdir: /build/reproducible-path/aiohttp-sse-2.2.0/.pybuild/cpython3_3.13/build
 configfile: pytest.ini
 testpaths: tests/
-plugins: cov-5.0.0, typeguard-4.4.2, aiohttp-1.0.5, asyncio-0.25.1
+plugins: aiohttp-1.0.5, cov-5.0.0, asyncio-0.25.1, typeguard-4.4.2
 asyncio: mode=Mode.AUTO, asyncio_default_fixture_loop_scope=None
 collecting ... collected 84 items
 
@@ -755,17 +791,17 @@
 tests/test_sse.py::test_cancelled_not_swallowed[debug:false] PASSED      [100%]
 
 ============================= slowest 10 durations =============================
-2.02s call     tests/test_sse.py::test_ping_reset[debug:true]
+2.03s call     tests/test_sse.py::test_ping_reset[debug:true]
 2.01s call     tests/test_sse.py::test_ping_reset[debug:false]
 1.16s call     tests/test_sse.py::test_ping[debug:true]
 1.15s call     tests/test_sse.py::test_ping[debug:false]
-0.10s call     tests/test_sse.py::test_wait_stop_streaming[debug:true]
+0.11s call     tests/test_sse.py::test_wait_stop_streaming[debug:true]
 0.10s call     tests/test_sse.py::test_wait_stop_streaming[debug:false]
-0.01s call     tests/test_sse.py::TestLastEventId::test_success[debug:true]
-0.01s call     tests/test_sse.py::test_func[debug:true-without_sse_response]
-0.01s call     tests/test_sse.py::test_custom_sep[debug:true-LF]
-0.01s call     tests/test_sse.py::test_http_methods[debug:true-POST]
-============================== 84 passed in 7.08s ==============================
+0.03s call     tests/test_sse.py::TestLastEventId::test_success[debug:true]
+0.02s call     tests/test_sse.py::test_func[debug:true-without_sse_response]
+0.02s call     tests/test_sse.py::test_custom_sep[debug:true-CR+LF]
+0.02s call     tests/test_sse.py::test_retry[debug:true]
+============================== 84 passed in 7.63s ==============================
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=pybuild
    dh_prep -O--buildsystem=pybuild
@@ -794,12 +830,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: not including original source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/2056/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2056/tmp/hooks/B01_cleanup finished
 I: unmounting dev/ptmx filesystem
 I: unmounting dev/pts filesystem
 I: unmounting dev/shm filesystem
 I: unmounting proc filesystem
 I: unmounting sys filesystem
 I: cleaning the build env 
-I: removing directory /srv/workspace/pbuilder/99526 and its subdirectories
-I: Current time: Mon Apr 20 08:54:05 -12 2026
-I: pbuilder-time-stamp: 1776718445
+I: removing directory /srv/workspace/pbuilder/2056 and its subdirectories
+I: Current time: Wed Mar 19 04:32:17 +14 2025
+I: pbuilder-time-stamp: 1742308337